"Over the last three years Equestrian Australia has done very little to improve the safety for young riders in the sport," Maggie Dawkins, the inaugural Chair of Equestrian Interschool in South Australia, said.

Those concerns have been echoed by the family of Caitlyn Fischer, who has contacted the Australian Sports Commission (ASC) and the Federal Minister for Sport, claiming Equestrian Australia is resistant to change.

In letters to the Minister and ASC, the Fischers outline that they are "disappointed and dismayed" by the attitude of Equestrian Australia in the aftermath of their daughter's death, and had hoped more would have been done since to improve rider safety.

The organisation is also facing criticism of its delay to updating concussion policies.

In March, Equestrian Australia announced it fully endorsed the Concussion in Sport Australia Position Statement that was released in February, and would introduce a similar protocol for all equestrian disciplines effective from July 1, 2019.

The organisation has also been criticised for failing to implement proactive safety measures, like rider fall training.

Horse rider fall safety training director Lindsay Nyland said about 2,000 riders had taken up the training since it was rolled out in 2015, and said it had helped prevent injuries.

"They're all saying the training has been incredibly helpful and teaches them how to respond in an emergency situation," he said.

Mr Nylund said the training was brought to the attention of Equestrian Australia by the late Olympic equestrian champion Gillian Rolton in February 2016, wanting them to progress this safety initiative, as well as the Scone Horse trials committee following the death of Olivia Inglis in Scone in 2016.

"Unfortunately, that's been almost three years ago now and there's been nothing done of any substantial nature to implement these measures," Mr Nylund.

Calls for independent overview

There are now calls for the establishment of a sports ombudsman or an independent body to oversee equestrian sports and the self-governed Equestrian Australia.

"This sport is a sport that is taxpayer funded and there's no oversight," Mrs Dawkins said.

Equestrian Australia and the Federal Minister for Sport, Bridget McKenzie, have declined the ABC's request to respond.